Klaviyo Inc. Class AKVYO

13F holders, Q4 2025 (December 31)
261holders −15
45new positions
63sold out
8famous investors
$32.47avg. 13F price*

At the end of Q4 2025, 261 institutions reported holding Klaviyo Inc. Class A (KVYO) in their 13F filings, down 15 from Q3 2025. 45 opened new positions and 63 sold out. The largest holders were Summit Partners L P ($612.1M), Morgan Stanley ($472.3M) and Vanguard Group Inc. ($466.3M). 8 famous investors held it, including Alex Sacerdote (1.3% of Whale Rock Capital Management's portfolio), Jim Simons / Peter Brown (0.1% of Renaissance Technologies's portfolio) and Steve Cohen (0.0% of Point72 Asset Management's portfolio).

Company
Klaviyo Inc. Class A
CUSIP
49845K101
Latest filing quarter
Q2 2026

History

Number of 13F holders

0100200300 Q1 2024: 130Q1 2024Q2 2024: 131Q2 2024Q3 2024: 156Q3 2024Q4 2024: 183Q4 2024Q1 2025: 216Q1 2025Q2 2025: 254Q2 2025Q3 2025: 276Q3 2025Q4 2025: 261Q4 2025Q1 2026: 266Q1 2026Q2 2026: 277Q2 2026

Total Exit/New Position Q3 2025 → Q4 2025

InstitutionsTotal Value
New Positions45$700.3M
Exits63$165.5M

All 13F filers, Q3 2025 → Q4 2025: 37,742,029 shares bought and 21,989,038 shares sold, net +15,752,991 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 261 holders

Summit Partners L P 58.24% No change 18,852,778 $612.1M
Morgan Stanley 0.03% Add +36.1% 14,547,090 $472.3M
Vanguard Group Inc. 0.01% Add +12.3% 14,361,540 $466.3M
Capital International Investors 0.07% New 12,788,846 $415.3M
FMR LLC 0.01% Add +1.6% 8,371,717 $271.8M
Alliancebernstein L.P. 0.05% Reduce -1.6% 4,731,312 $153.6M
BlackRock, Inc. 0.00% Add +1.6% 3,716,334 $120.7M
Sands Capital Alternatives, LLC 22.86% Add +3.8% 3,649,678 $118.5M
JPMorgan Chase & Co. 0.01% Add +86.8% 3,564,743 $115.7M
Whale Rock Capital Management 1.27% Add +0.0% 3,057,889 $99.3M
Federated Hermes, Inc. 0.16% Reduce -0.3% 2,900,807 $94.2M
American Century Companies Inc. 0.05% Add +36.6% 2,895,304 $94.0M
Fuller & Thaler Asset Management, Inc. 0.31% New 2,854,163 $92.7M
Capital Research Global Investors 0.02% Reduce -0.6% 2,577,782 $83.7M
Fiera Capital Corp 0.24% Add +87.7% 2,331,650 $75.7M
Greenoaks LLC 2.52% No change 2,316,796 $75.2M
Two Sigma Investments, LP 0.11% Add +31.4% 2,224,011 $72.2M
Franklin Resources Inc. 0.02% Add +3.0% 1,980,269 $64.3M
12 West Capital Management LP 7.11% No change 1,838,000 $59.7M
Two Sigma Advisers, LP 0.11% Add +14.5% 1,782,500 $57.9M
Renaissance Technologies 0.09% Add +4.8% 1,763,744 $57.3M
Millennium Management 0.04% Reduce -4.5% 1,700,502 $55.2M
Geode Capital Management, LLC 0.00% Add +13.2% 1,672,727 $54.3M
Clearbridge Investments, LLC 0.04% Reduce -17.1% 1,641,958 $53.3M
Goldman Sachs Group Inc. 0.01% Reduce -4.3% 1,524,043 $49.5M
Norges Bank 0.01% — 1,518,330 $49.3M
Bank of New York Mellon Corp 0.01% Reduce -45.0% 1,384,657 $45.0M
Ancora Advisors LLC 0.89% New 1,330,755 $43.2M
Voya Investment Management LLC 0.05% Reduce -11.3% 1,258,320 $40.9M
Capital World Investors 0.01% New 1,147,935 $37.3M
State Street Corp. 0.00% Add +28.7% 1,051,455 $34.1M
Bienville Capital Management, LLC 5.00% Add +247.0% 969,263 $31.5M
Sands Capital Management, LLC 0.09% Reduce -16.0% 928,755 $30.2M
Bank of America Corp. 0.00% Add +51.5% 893,157 $29.0M
Janus Henderson Group PLC 0.01% Reduce -39.0% 886,778 $28.8M
Point72 Asset Management 0.05% Reduce -83.3% 876,853 $28.5M
ArrowMark Colorado Holdings LLC 0.58% Reduce -9.4% 815,605 $26.5M
Charles Schwab Investment Management Inc. 0.00% Add +10.9% 809,429 $26.3M
First Trust Advisors LP 0.02% Reduce -12.9% 806,928 $26.2M
Delta Global Management LP 1.86% Add +52.7% 785,308 $25.5M
Shannon River Fund Management LLC 3.72% New 729,703 $23.7M
Schonfeld Strategic Advisors LLC 0.12% Reduce -23.2% 701,316 $22.8M
Walleye Capital LLC 0.13% Add +4075.3% 677,574 $22.0M
Barton Investment Management 2.34% Add +69.6% 670,042 $21.8M
J. Goldman & Co LP 0.80% Add +53.6% 634,426 $20.6M
Islander Capital Partners, L.P. 9.10% — 621,738 $20.2M
BNP PARIBAS ASSET MANAGEMENT Holding S.A. 0.02% Add +60777.3% 613,034 $19.9M
Granahan Investment Management, LLC 0.84% Add +94.7% 605,271 $19.7M
Nearwater Capital Markets, Ltd 0.33% New 600,000 $19.5M
Canada Pension Plan Investment Board 0.01% Add +29.7% 590,700 $19.2M
Engineers Gate Manager LP 0.22% Add +41.4% 569,998 $18.5M
Alyeska Investment Group, L.P. 0.05% New 552,868 $18.0M
Quantinno Capital Management LP 0.04% Add +9.6% 549,142 $17.8M
Ameriprise Financial Inc. 0.00% Add +0.8% 513,600 $16.7M
UBS Group AG 0.00% Add +11.8% 468,610 $15.2M
Healthcare of Ontario Pension Plan Trust Fund 0.03% Reduce -56.0% 461,931 $15.0M
New York State Common Retirement Fund 0.02% Add +31.2% 458,135 $14.9M
Glynn Capital Management LLC 5.09% Reduce -0.1% 456,805 $14.8M
Jefferies Financial Group Inc. 0.12% Add +2320.7% 455,000 $14.8M
Neuberger Berman Group LLC 0.01% New 445,470 $14.5M
Morangie Management LLC 10.95% Reduce -9.9% 423,104 $13.7M
Goodnow Investment Group, LLC 1.13% Reduce -2.5% 374,549 $12.2M
Twin Focus Capital Partners, LLC 1.36% Reduce -11.7% 364,666 $11.8M
Northern Trust Corp. 0.00% Add +22.8% 348,289 $11.3M
D. E. Shaw & Co. 0.01% Reduce -34.7% 345,042 $11.2M
Jump Financial, LLC 0.14% Add +34.5% 317,381 $10.3M
Citadel Advisors 0.01% Reduce -89.5% 315,769 $10.3M
Burkehill Global Management, LP 0.67% No change 300,000 $9.7M
Dimensional Fund Advisors LP 0.00% Add +112.7% 286,841 $9.3M
Swiss National Bank 0.00% Add +27.2% 252,700 $8.2M
BNP Paribas Financial Markets 0.01% Reduce -20.1% 242,439 $7.9M
Capital Fund Management S.A. 0.07% Add +2.8% 232,880 $7.6M
Victory Capital Management Inc. 0.00% Reduce -47.2% 228,968 $7.4M
Trexquant Investment LP 0.07% Reduce -49.7% 228,454 $7.4M
Balyasny Asset Management L.P. 0.01% Reduce -60.5% 227,664 $7.4M
1832 Asset Management L.P. 0.01% New 226,800 $7.4M
Mayflower Financial Advisors, LLC 0.89% Reduce -2.8% 226,700 $7.4M
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% Add +23.4% 225,388 $7.3M
Freestone Grove Partners LP 0.05% Reduce -81.2% 209,217 $6.8M
Liontrust Investment Partners LLP 0.09% Add +90.1% 193,578 $6.3M
Wells Fargo & Company 0.00% Add +42.0% 183,095 $5.9M
Lisanti Capital Growth, LLC 1.37% New 178,140 $5.8M
Cinctive Capital Management LP 0.33% Reduce -38.8% 174,770 $5.7M
Huntington National Bank 0.04% Add +117.1% 166,501 $5.4M
Pathstone Holdings, LLC 0.02% Reduce -8.3% 159,456 $5.2M
LMR Partners LLP 0.06% Add +50.0% 150,000 $4.9M
Cynosure Group, LLC 0.47% No change 141,884 $4.6M
Night Squared LP 1.25% Reduce -18.6% 136,246 $4.4M
Focus Partners Wealth 0.01% Add +0.3% 134,552 $4.4M
Ossiam 0.09% No change 133,900 $4.3M
Ieq Capital, LLC 0.01% Reduce -29.1% 132,772 $4.3M
Crestwood Advisors Group, LLC 0.07% Add +0.0% 128,937 $4.2M
T. Rowe Price Associates Inc. 0.00% Add +8.1% 126,104 $4.1M
Susquehanna Fundamental Investments, LLC 0.14% New 125,156 $4.1M
Susquehanna Portfolio Strategies, LLC 0.06% Reduce -68.1% 124,228 $4.0M
Connor, Clark & Lunn Investment Management Ltd. 0.01% New 120,586 $3.9M
Legal & General Group Plc 0.00% Add +15.3% 118,193 $3.8M
California State Teachers Retirement System 0.00% Add +26.6% 113,766 $3.7M
FIL Ltd 0.00% New 109,944 $3.6M
Envestnet Asset Management Inc. 0.00% Add +7.3% 109,606 $3.6M
SG Americas Securities, LLC 0.00% Add +71.2% 108,319 $3.5M
Algert Global LLC 0.05% Reduce -63.9% 104,410 $3.4M
Royal Bank of Canada 0.00% Reduce -89.8% 94,010 $3.1M
Marshall Wace, LLP 0.00% Reduce -82.4% 90,560 $2.9M
Verition Fund Management LLC 0.02% Reduce -42.5% 87,600 $2.8M
Morgens Waterfall Vintiadis & Co. Inc. 2.02% New 85,000 $2.8M
Mariner, LLC 0.00% Add +6.9% 81,886 $2.7M
Diker Management LLC 2.01% No change 80,042 $2.6M
AQR Capital Management 0.00% Add +22.3% 79,561 $2.6M
State of New Jersey Common Pension Fund D 0.01% Add +18.4% 78,775 $2.6M
Blair William & Co. 0.01% Reduce -68.5% 75,137 $2.4M
Renaissance Capital LLC 1.72% Reduce -29.9% 73,557 $2.4M
Cerity Partners LLC 0.00% Add +0.7% 73,013 $2.4M
Sei Investments Co. 0.00% Add +187.0% 72,758 $2.4M
Investors Towarzystwo Funduszy Inwestycyjnych Spolka Akcyjna 0.87% Add +15.4% 71,081 $2.3M
PNC Financial Services Group, Inc. 0.00% Reduce -2.1% 70,433 $2.3M
Legato Capital Management LLC 0.18% Add +403.4% 65,865 $2.1M
Integrated Wealth Concepts LLC 0.03% Reduce -89.0% 65,639 $2.1M
Needham Investment Management LLC 0.13% Reduce -78.7% 65,000 $2.1M
Assetmark, Inc. 0.00% Add +5.8% 64,332 $2.1M
Comerica Bank 0.01% Add +2984.0% 63,777 $2.1M
Twin Tree Management, LP 0.21% New 62,384 $2.0M
Raymond James Financial Inc. 0.00% Reduce -2.1% 62,260 $2.0M
Manufacturers Life Insurance Company, The 0.00% Add +40.1% 61,810 $2.0M
Barclays PLC 0.00% Add +27.2% 58,292 $1.9M
Citigroup Inc. 0.00% Add +41.2% 55,095 $1.8M
Squarepoint Ops LLC 0.00% Reduce -50.1% 47,572 $1.5M
Orion Porfolio Solutions, LLC 0.01% Add +22.2% 46,821 $1.5M
M&G PLC 0.01% Reduce -0.2% 42,818 $1.4M
Zurcher Kantonalbank (Zurich Cantonalbank) 0.00% Add +22.7% 41,295 $1.3M
Moody National Bank Trust Division 0.13% Add +65.5% 41,056 $1.3M
Kultura Capital Management LP 0.93% — 39,600 $1.3M
BloombergSen Inc. 0.13% Add +37.3% 38,497 $1.2M
Elo Mutual Pension Insurance Co 0.02% Add +101.8% 37,189 $1.2M
HighTower Advisors, LLC 0.00% Reduce -2.6% 37,144 $1.2M
Arizona State Retirement System 0.01% Add +17.0% 35,486 $1.2M
Picton Mahoney Asset Management 0.01% Add +31.9% 32,294 $1.0M
VIRGINIA RETIREMENT SYSTEMS ET Al 0.01% Reduce -8.1% 32,000 $1.0M
Aquatic Capital Management LLC 0.03% Reduce -34.7% 29,995 $974K
Wilmington Savings Fund Society, FSB 0.02% No change 29,800 $968K
Gryphon Financial Partners LLC 0.10% Add +0.4% 29,217 $949K
Miramar Capital, LLC 0.20% No change 28,572 $928K
KLP Kapitalforvaltning As 0.00% Add +26.3% 27,400 $890K
Boothbay Fund Management, LLC 0.02% Reduce -70.8% 27,121 $881K
Handelsbanken Fonder AB 0.00% Add +80.5% 26,900 $873K
Stifel Financial Corp. 0.00% Add +21.7% 26,051 $846K
Invesco Ltd. 0.00% Add +50.3% 25,964 $843K
Jennison Associates LLC 0.00% Reduce -0.4% 25,559 $830K
Cetera Investment Advisers 0.00% Reduce -2.6% 25,558 $830K
Voleon Capital Management LP 0.02% Reduce -44.9% 25,247 $820K
Prelude Capital Management, LLC 0.06% Reduce -19.2% 24,751 $804K
Pier 88 Investment Partners LLC 0.88% Reduce -48.2% 23,720 $770K
Par Capital Management Inc. 0.02% Add +43.8% 23,000 $747K
Corient Private Wealth LP 0.00% New 22,800 $740K
Fort Washington Investment Advisors Inc. 0.00% No change 21,926 $712K
Pictet Asset Management Holding SA 0.00% Add +57.4% 21,697 $705K
OMERS ADMINISTRATION Corp 0.00% Reduce -26.6% 20,200 $656K
Capricorn Fund Managers Ltd 0.16% New 20,000 $649K
AlphaQuest LLC 0.03% Reduce -1.4% 18,877 $613K
National Philanthropic Trust 0.01% New 18,300 $594K
Acadian Asset Management LLC 0.00% Add +177.2% 18,257 $592K
Snowden Capital Advisors LLC 0.01% Add +9.9% 17,651 $573K
Truepoint, Inc. 0.01% New 17,615 $572K
Nuveen, LLC 0.00% No change 17,519 $569K
Brandywine Managers, LLC 0.28% No change 17,384 $564K
WINTON GROUP Ltd 0.02% New 15,875 $515K
Bridgefront Capital, LLC 0.13% Add +86.0% 15,637 $508K
Eventide Asset Management, LLC 0.01% Reduce -0.0% 15,555 $506K
Creative Planning 0.00% Reduce -16.1% 15,553 $505K
Aptus Capital Advisors, LLC 0.00% Reduce -0.6% 15,061 $489K
Oppenheimer Asset Management Inc. 0.01% Add +24.4% 14,084 $457K
Natixis Advisors, LLC 0.00% Add +21.8% 13,884 $451K
Group One Trading LLC 0.01% New 13,301 $432K
Clifford Group, LLC 0.33% No change 13,073 $424K
Dakota Wealth Management 0.01% No change 12,895 $419K
Brown Advisory Inc. 0.00% New 12,635 $410K
Vident Advisory, LLC 0.00% Add +22.0% 12,555 $408K
Deutsche Bank AG 0.00% Reduce -87.8% 12,300 $399K
Vanguard Personalized Indexing Management, LLC 0.00% Add +27.6% 11,886 $386K
Yorktown Management & Research Co Inc 0.31% New 11,850 $385K
Entropy Technologies, LP 0.02% Reduce -67.0% 11,830 $384K
BBR Partners, LLC 0.02% New 11,584 $376K
Federation des caisses Desjardins du Quebec 0.00% Add +71.6% 11,444 $372K
Tudor Investment Corporation 0.00% Reduce -83.2% 11,355 $369K
Yarbrough Capital, LLC 0.01% No change 11,270 $366K
Fieldview Capital Management, LLC 0.06% New 10,702 $347K
Sunstone Asset Management, LP 0.54% — 10,335 $336K
Ballentine Partners, LLC 0.00% Reduce -1.1% 10,147 $329K
Holocene Advisors, LP 0.00% New 9,913 $322K
LPL Financial LLC 0.00% Reduce -27.0% 9,215 $299K
Public Employees Retirement Association of Colorado 0.00% No change 8,990 $292K
DSM Capital Partners LLC 0.00% New 8,130 $264K
Amundi 0.00% New 7,696 $250K
Park Avenue Securities LLC 0.00% New 7,637 $248K
Canal Capital Management, LLC 0.04% Reduce -46.3% 7,589 $246K
Wealthspire Advisors, LLC 0.00% No change 7,285 $237K
Universal- Beteiligungs- und Servicegesellschaft mbH 0.00% New 7,116 $231K
State of Wisconsin Investment Board 0.00% Reduce -30.2% 7,060 $229K
Perbak Capital Partners LLP 0.07% Reduce -36.3% 6,620 $215K
Stanley-Laman Group, Ltd. 0.03% New 6,536 $212K
Sandia Investment Management LP 0.53% Reduce -34.7% 6,534 $212K
Mach-1 Financial Group, LLC 0.04% New 6,403 $208K
State of Wyoming 0.02% Add +496.6% 5,131 $167K
IFP Advisors, Inc 0.00% Reduce -4.8% 4,984 $162K
US Bancorp \de 0.00% Reduce -30.5% 4,508 $146K
Ensign Peak Advisors, Inc 0.00% Reduce -6.0% 4,400 $143K
Advisors Asset Management, Inc. 0.00% Add +29.5% 4,171 $135K
KBC Group NV 0.00% Add +55.5% 3,936 $128K
Farther Finance Advisors, LLC 0.00% Add +3125.0% 3,483 $113K
Dara Capital Us, Inc. 0.10% — 3,461 $112K
Cwm, LLC 0.00% Reduce -3.3% 3,432 $111K
Rockefeller Capital Management L.P. 0.00% Add +2641.0% 3,207 $104K
Rhumbline Advisers 0.00% No change 2,151 $70K
Parallel Advisors, LLC 0.00% Reduce -30.7% 1,682 $55K
Osaic Holdings, Inc. 0.00% Reduce -68.3% 1,247 $40K
SBI Securities Co., Ltd. 0.00% Reduce -75.8% 1,185 $38K
MAI Capital Management 0.00% Add +4693.8% 767 $25K
Strengthening Families & Communities, LLC 0.01% No change 680 $22K
Simplex Trading, LLC 0.00% Reduce -93.9% 678 $22K
Flagship Harbor Advisors, LLC 0.00% New 662 $21K
First Horizon Corp. 0.00% Add +56.2% 520 $17K
Rakuten Securities, Inc. 0.01% Reduce -35.5% 493 $16K
Signaturefd, LLC 0.00% Reduce -18.9% 477 $15K
Los Angeles Capital Management LLC 0.00% New 571 $14K
Allworth Financial LP 0.00% Add +94.9% 380 $12K
Caitong International Asset Management Co., Ltd 0.00% Reduce -72.5% 265 $9K
Steward Partners Investment Advisory, LLC 0.00% No change 225 $7K
Essential Partners LLC 0.00% Add +124.7% 200 $6K
Northwestern Mutual Wealth Management Co. 0.00% Reduce -55.9% 199 $6K
Jones Financial Companies LLLP 0.00% Reduce -70.3% 180 $6K
EverSource Wealth Advisors, LLC 0.00% Reduce -26.6% 174 $6K
Osbon Capital Management LLC 0.01% — 173 $6K
Quadrant Capital Group LLC 0.00% Reduce -37.6% 169 $5K
Rothschild Investment LLC 0.00% New 150 $5K
Measured Wealth Private Client Group, LLC 0.00% No change 145 $5K
Marquette Asset Management, LLC 0.00% Add +106.3% 130 $4K
Cape Investment Advisory, Inc. 0.00% Add +40.2% 122 $4K
Bellevue Asset Management, LLC 0.00% Add +56.8% 116 $4K
Whittier Trust Co. of Nevada Inc. 0.00% Add +49.4% 124 $4K
Fortitude Family Office, LLC 0.00% New 95 $3K
Activest Wealth Management 0.00% Reduce -35.6% 76 $2K
NFJ Investment Group, LLC 0.00% New 75 $2K
CoreCap Advisors, LLC 0.00% New 59 $2K
True Wealth Design, LLC 0.00% New 54 $2K
Bare Financial Services, Inc 0.00% Add +73.3% 52 $2K
GAMMA Investing LLC 0.00% Add +131.6% 44 $1K
CVA Family Office, LLC 0.00% Add +95.0% 39 $1K
Park Place Capital Corp 0.00% No change 37 $1K
Tower Research Capital LLC (TRC) 0.00% Reduce -99.4% 35 $1K
Bogart Wealth, LLC 0.00% New 34 $1K
Bell Investment Advisors, Inc 0.00% Add +76.5% 30 $975
Harbour Investments, Inc. 0.00% No change 29 $942
SageView Advisory Group, LLC 0.00% New 20 $650
Kilter Group LLC 0.00% Add +111.1% 19 $617
Optima Capital LLC 0.00% New 18 $584
Basecamp Wealth Advisors LLC 0.00% — 17 $552
Fairscale Capital, LLC 0.00% No change 15 $487
Arax Advisory Partners 0.00% Reduce -98.5% 13 $422
Clearstead Advisors, LLC 0.00% New 4 $130
Dunhill Financial, LLC 0.00% New 2 $75
Avion Wealth 0.00% New 18 $0

"% of holder's portfolio" is KVYO's weight in each manager's 13F, not the share of Klaviyo Inc. Class A the manager owns.